
2
0
2
0
-0
3
14
Installation
Preparing for Operation on RS-485 Interface
For operation on an RS-485 interface, the terminals on connector X1 must be connected:
Connect the read head to the terminal. Use the enclosed jumper to connect the terminals to
each other
Figure 3.3
Terminal X1
*) RS485 Termination:
Rx422 = off
Tx422 = on
1
2
3
4
5
6
7
Rx232
Tx232
AP-GND
Rx422+
Rx422-
Tx422+
Tx422-
RS485+
RS485-
R
x4
2
2
* T
e
rm
in
a
tio
n
T
x4
2
2
*
O
n
O
ff
O
n
O
ff
X1